Great preset for designing in a "Golden Ratio"

Recreate the Edge Softness filter.

Create an awesome Tilt Shift effect using a linear focus area.

DuIK Tools is a revolutionary Inverse Kinematics script for After Effects developed by Nicolas Dufresne a.k.a DuDuf which brings the principles behind 3D rigging to After Effects, giving greater precision and faster, more lifelike animations!

jLensBlur is an AfterEffects preset for blurring layers based on their distance from a point.

Interactively control camera focus distance.
The camera will focus wherever your null or solid happens to sit. This expression is golden when you're doing a lot of Depth of Field work.

A Macro that allows you to set objects at Z distances and creates a camera that pans, dollys, cranes etc keeping parallax. Also calculates the relative focus for each layer including using hyperfocal which can be turned on or off.